TO

Takuya OZAKI

NC Nippon Piston Ring Co.: 2 patents #1 of 10Top 10%
📍 Ichinoseki, JP: #1 of 2 inventorsTop 50%
Overall (2018): #97,664 of 503,207Top 20%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10087513 Piston ring and manufacturing method therefor Hiroyuki Sugiura 2018-10-02
9863534 Hard carbon coating film Hiroyuki Sugiura 2018-01-09